Big Jim and the twins

slang uncountable

(slang) The penis and testicles.

Japanese Meaning

（スラング）陰茎と睾丸

彼はロッカールームで着替えているとき、友人が誤って彼のペニスと睾丸にぶつかってしまい、顔を赤らめた。

Sense（1）

(slang) The penis and testicles.

But, sure enough, there in front of you, he was gyrating in his jumpsuit and jiggling Big Jim and The Twins around for the entire world to see.